def write_user_characters():
"""
write special characters into LCD's CGRAM
"""
LCD.send_command(0x40)
for frame in GRASS_FRAMES:
for line in frame:
LCD.send_data(line)
for frame in MAN_FRAMES:
for line in frame:
LCD.send_data(line)
def display_grass_status(index):
LCD.send_command(0x80 + 0x40 * 1 + index)
if grass_status[index] == 0:
LCD.send_data(ord(" "))
else:
LCD.send_data(grass_status[i] - 1)
